Bleeding Edge [War of the Spark]

Set: War of the Spark Type: Sorcery Rarity: Uncommon Cost: {1}{B}{B} Up to one target creature gets -2/-2 until end of turn. Amass 2. (Put two +1/+1 counters on an Army you control. If you don't control one, create a 0/0 black Zombie Army creature token first.)